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This is the blocking card for NFC enabled device, This card blocks radiation of the credit/debit cards, Oyster cards and smartphones, Protect your personal data in these products from NFC reader.

Place the contactless card (debit/credit card) between the two card clash blockers.This prevents the contactless card(debit/credit card) from being read, To protect more than one credit/debit cardensure they are placed with an NFC blockercard on either side, Repeat this process for Oyster cards and smart phones, To enable one of your credit/debit cards for use,place the card in front of the NFC blocker, Card pocket/smartphone case are not included, NFC block card does not destroy the function of debit/credit cards, Oyster cards, smartphones and their signal reception or laptop,it blocks radiation